The prevailing model for the formation of greenstone beds in the Archean is ____.
A) igneous intrusion into a sandstone bed
B) the closing of a back-arc basin
C) a Wilson cycle
D) mid-continental rifting
E) ultramafic lava flows
Correct Answer:
Verified
Q3: Archean and Proterozoic greenstone belts formed in
Q4: Earth differentiated during the _.
A)Hadean
B)Archean
C)Paleoproterozoic
D)Mesoproterozoic
E)Neoproterozoic
Q5: Organisms are composed of simple monomers.
Q6: Time divisions in the Precambrian are based
Q7: During the Archean, how long was the
Q9: The oldest well-documented stromatolites occur in the
Q10: The exposed part of the North American
Q11: All known Proterozoic animals were soft-bodied.
Q12: Stromatolites are the product of organic activity.
Q13: Sandstone-carbonate-shale assemblages occur along continental rift margins
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